21822711

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 30875760

約数和(自身を除く): 9053049

約数列:

[1, 3, 37, 47, 89, 111, 141, 267, 1739, 2209, 3293, 4183, 5217, 6627, 9879, 12549, 81733, 154771, 196601, 245199, 464313, 589803, 7274237, 21822711]

約数ペア:

[(1, 21822711), (3, 7274237), (37, 589803), (47, 464313), (89, 245199), (111, 196601), (141, 154771), (267, 81733), (1739, 12549), (2209, 9879), (3293, 6627), (4183, 5217)]